Buying an Espresso Coffee Machine Espresso machines heat the water to close to boiling. They then push it under high pressure through tightly packed ground coffee in portafilters. They can also be used to create milk-based drinks. Most espresso machines have programmable settings that can alter the strength and size https://wwwcoffeeeuk77709.tkzblog.com/29727142/you-ll-never-guess-this-coffee-espresso-machine-s-tricks